Cruzadinha

Palavras horizontais

1. The closest star to Earth (3)
3. The force that pulls objects toward the center of the Earth (7)
5. The second planet from the sun (5)
7. The galaxy that includes our solar system (9)
9. A famous space telescope launched in 1990 (6)

Palavras verticais

2. The study of celestial objects and phenomena beyond Earth's atmosphere (9)
4. The process by which plants make their own food (14)
6. The natural satellite of Earth (4)
8. The name of the first artificial satellite, launched by the Soviet Union in 1957 (7)
10. The largest planet in our solar system (7)